Step-by-Step Guide: Installing Big Sur Using OpenCore Legacy Patcher Phase 1: Preparation
This is the most critical question for any potential patcher. OCLP supports a wide range of Intel-based Macs. To check your model, you can open "System Information" on your Mac and look for the "Model Identifier".
The "Install macOS Big Sur" application from the Mac App Store. 2. Preparing the USB Download the from the App Store. Download the latest version of the patcher app. Plug in your USB drive. Open the patcher app and select "Create Installer."
: Map applications or heavy animations may lag.
Do you have an installed, or is it still using the original hard drive? Macos Big Sur Patcher
macOS Big Sur (11) is officially obsolete, having received its last standard security update in September 2023.
: Minor point updates (e.g., Big Sur 11.6 to 11.7) must be handled carefully through the OCLP app menu to avoid boot loops. Always update OCLP before updating macOS. Conclusion
Step-by-Step Guide: Installing Big Sur via OpenCore Legacy Patcher Phase 1: Preparation
: They modify the macOS installer to ignore the hardware identification strings that would otherwise trigger a "This version of macOS is not supported" warning. Kext and Driver Injection Step-by-Step Guide: Installing Big Sur Using OpenCore Legacy
If the patcher detects that your system needs legacy drivers, click . Once completed, restart your Mac. Post-Installation Maintenance & Tips Managing System Updates
For the vast majority of users, OCLP is the only recommended tool for modern patching. Developers recommend that previous installs performed with tools like Patched Sur or bigmac cannot be safely upgraded or supported with OCLP due to broken file integrity. For those seeking older OS versions like Mojave or Catalina on very old Macs (2007-2009), dosdude1's dedicated patchers are still a viable alternative.
: Many modern apps require at least macOS 11 to download and run.
Apple removed drivers for older Broadcom and Atheros WiFi cards in Big Sur. The "Install macOS Big Sur" application from the
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Open the OpenCore Legacy Patcher app on your newly installed system. Click .
Reviving Your Mac: The Ultimate Guide to macOS Big Sur Patchers
Apple builds hardware that lasts for a decade, but its software support lifecycle is much shorter. When macOS Big Sur (version 11) arrived, it dropped official support for many iconic Macs, including legendary machines like the 2012 MacBook Pro and the late 2013 iMac.